pjerrou



No. 6l|,l43. Patented Sept. 20, I898.

. J. F. PJERRDU.

KNOCKDOWN STOVE.

(Application filed Apr, 18,1898.)

2 Sheets-Sheet I.

WITNESSES.

x1 TTOHIVEYS No. s||,|43. Patented Sept. 20, I898. J. r. PJERROU.

KNOCKDOWN STOVE.

A ucauon filed Apr. 18, 1898.) (No Model.) 2 Sheets-Sheet ,2.

a if ATTOFNEYS UNITED STATES JOHN F. PJERROU, OF WEST POINT,

NEBRASKA, ASSIGNOR TO HIMSELF AND O. W. ACKERMAN, OF SAME PLACE.

KNOCKDOWN. STOVE.

SPECIFICATION forming part of Letters Patent No. 611,143, dated September 20, 1898.

. Application filed April 18, 1898.

To all whom it mag concern:

Be it known that I, JOHN F. PJERROU, of West Point, in the county of Coming and State of Nebraska, have invented a new and useful Improvement in Knockdown Stoves, of which the following is a full, clear, and exact description.

The object of the invention is to providea stove for camping purposes and which may be packed in an exceedingly small space for transportation, the package in which the stove may be packed being a flat one.

.Another object of the invention is to so construct the knockdown stove that it will comprise but a few separate parts and which may be set up expeditiously and conveniently.

Another object of the invention is to construct the knockdown stove in such a manner that the oven will bake almost as perfectly as the ordinary stove, and wherein a grate will be provided enabling coal or green wood to be used as fuel, as well as seasoned wood.

The invention consists in the novel construction and combination of the several parts, as will be hereinafter fully set forth, and pointed out in the claims.

.Reference is. to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the figures.

Figure 1 is a perspective View of the stove set up, a portion of one end being broken away. Fig. 2 is a vertical central section through the stove set up, the stove being drawn on an enlarged scale. Fig. 3 .is a horizontal section taken practically on the line 3 3 of 'Fig. 2. Fig. 4 is a plan view of the body of the stove laidout flat. Fig. 5 is a plan view of the oven folded, showing the bottom and'rcar of the oven. Fig. 6 is likewise a plan View of the oven folded, showing the top and front. Fig. 7 is an edge view of the folded oven, asshown in Fig. 5. Fig. 8 is a perspective view of the folded body of the stove. Fig. 9 is a detail perspective view of the two hinge-connected portions of the stove, illustrating the application thereto of an angle-iron for the purpose of closing the joints and Fig.10 is a plan view of the cookspace.

s al No. 677,998. (No model.)

ing-pan adapted to be folded fiat and laid upon thestove when it is folded.

The body of the stove comprises a top plate A, a back plate B, a bottom plate C, a front plate D, and end plates E and E. All of the plates are provided with knuckles 10, the knuckles being so arranged as to interlock with knuckles of an abutting plate. The knuckles are formed upon all four edges of the plates, the plates being preferably of rectangular shape. The top, back, bottom, and front are hinged together in such manner that when folded out one of the said parts will follow the other; but the-end plates E and -E' have a hinged connection with opposite ends of the top plate A, as shown in Fig. 4. The top plate Ais provided with cover-openings 11, the covers 12 whereof are connectedwith the top plate A by short lengths of chain 13, as shown in Fig. 1. The top plate A is further provided at one end with a stovepipeopening 14, surrounded'by upwardly-extending flanges 15. The opening 14 is preferably square,and the joints of pipe 16 are rectangular in cross-section, and each joint of pipe is made up of four strips of material, the strips having a hinged connection, so that the sections or joints of pipe may be folded fiat, and as a joint of pipe is made of aleng th equal to the length of the stave these pipejoints when folded may be lai upon the folded body and oven of the stove. The back plate B is provided with horizontal slots 17 and vertical slots 18, the slots inclosing a square space which is adapted as an oven- The bottom 0 is perfectly plain, but the front D is provided with a large opening 19, normally closed by a door 20, connected with the front plate by a hinge 21 and pro-' vided with a suitable latch 22. Another opening 22 is made near the lower corner of the front plate, which opening leads to the ashpit of the stove, and above the ash-pit opening 22 another opening 23 is made, normally closed by a door 24, also provided with alatch, and the opening covered by this door conimunicates with the fire-pot of the stove. The front plate is further provided with horizontal and vertical slots 17 and 18, correspond.-

ing to the slots 17 and 18 in the back plate.

The oven is adapted to fold, as well as the body of the stove. The oven comprises four platesa top plate F, which is hinged to an end plate G; abottom plate K, whichis hinged to the said end plate; and a second end plate H, hinged to the top plate and the bottom plate, as shown in Figs. 5 and 6. The top plate F is providedwith lugs 25 at its front and rear edges, the end plate G being provided with corresponding lugs 26. The opposite end plate H is'provided with lugs 27 at its front and rear edges, and the bottom plate K has similar lugs 28 at its front and rear edges, each lug of each plate being pro vided with an aperture. The plates when open form a rectangular structure open at the front and back. Spring-plates 29 are secured upon the top plate F near its connection with the end plate H, as shown in Fig.

6, and these plates are bent upward to form sockets open at thetop, the ends of the socketplates being beveled, and in front of the socket-plates 20 a damper 30- has a. hinged connection with the top plate F.

Two parallel plates 31 are hinged upon the under face of the bottom plate throughout their Width. The hinge-plates 31 extend be- .yond the end plate II of the oven, as shown in Figs. 1 and 5, and an angle-plate 32 is pivoted to the projecting end of each hinge-plate 31, the said angle-plates being adapted to extend upward, engaging with the outer face of the end plate H, as shown in Fig. 1, thence over the top plate F, where the horizontal members of the angle-plates are made to enter the sockets 29. When the damper 30 is closed, it is carried to an engagement with the forward ends of the angle-plates 32, as shown in Fig. 2. A grate 33 is hinged to the end plate G at a point near its lower edge, the grate being capable of folding close to the said end plate or of standing at a right anglethereto, and at the bottom of the end plate G a stop-plate34 is hinged. All of the pins 36, which form the pintles for the horizontal hinges, are preferably provided with a head at an angle to the body, so that these pins will not interfere with the'proper folding of the body or with the parts being brought to proper position, and the pins 37, forming the vertical pintles for the body, are provided at their lower ends with loops or eyes 37- or other form of enlargements, which constitute the feet for the stove. In building up the body of the stove the top is carried at a right angle to the back and over the bottom and the end plates E and E are connected by their knuckles with the top and bottom plates and by vertical pintles 37 with the back plate.

Before the front plate D is secured in position the oven is placed in the body, having been previously set up. The oven will rest upon the bottom plates 31 and the vertical members of the angle-plates will bear against one endv of the body, while the upper edges of the horizontal members of the angle-plates will rest against the top plate at each side of the pi pe-opening.

portions of the oven.

The lugs at the rear of the oven are made to enter the slots 17 and 18 in the back plate B, the horizontal lugs entering the horizontal slots 17 and the vertical lugs the vertical slots. 18. then folded down and may be made to rest upon lugs 40, attached to the adjacent end plate, as shown in Fig. 2, and the stop-plate 34is carried down to an engagement with the bottom of the body. The front plate isthen carried up to an engagement with the end and top plates, being attached to the top plates by one of the pintles 36 and to the end plates by vertical pintles 37.

It will be observed that when the oven is set up in the body of the stove an oven-flue L is formed by the plates 31 and 32, whereby when the damper is closed, as shown in Figs. 2 and 3, the products of combustion from the fire will be forced down between the end of the body and the end of the oven farthest removed from the fire-pot and between the bottom of the oven and the bottom of the stovebody, thus heating the oven thoroughly and in the same manner as in an ordinary stove. The products of combustion after passing beneath the oven are conducted by the flue L to the smoke-pipe 1b. Vhen a direct draft is required, the damper 30 is opened.

In order that heat shall not escape from the oven or smoke'escape at the joints of the body of the stove, angle-plates 35 are secured to the plates in such manner that when the plates are folded up to form the body of the stove 'or to form the complete oven the said angleplates 35 will close the joints, as shown in Fig. 9. It will be observed that the oven is exceedingly light, sinceit is open at the front and at the back, the front and back plates of the body of the stove serving to close these When the front plate of the body is fastened in position, the front lugs of the oven are carried through the front slots 17 and 18, as shown in Fig. 1, and pins are passed through the apertures of the lugs at the front and rear of the oven, engaging with the corresponding faces of the stove- .body, holding the oven in position. Vhen the stove is set up and it is desired to fold the same, the pinsare removed from the lugs of the oven, the pintles are withdrawn from the hinges connecting the end plates with the front plate of the stove, and the front plate is'dropped downward. The oven is then withdrawn from the body of the stove, the grate is folded upon the end plate to which itis attached, the angle-plates 32 are carried downward, and the flue-plates 31, hinged to the bottom plate of the oven, are folded in oppositedirections flat on the said bottom plate. The angle-plates are then carried over the straight flue-plates, as shown in Fig. 5, and the bottom plate K and the end plate II are folded close to the top plate F and the end plate G, as shown in Fig.5. then withdrawn from the hinges connecting the end plates with the" bottom plate of the The pintles are The grate is in Fig. i.

bodyand the pintles that connect the end plates with the back plate of the body, whereupon the body may be folded flat, as shown The end plates are now folded upon the top plate, and the top, back, bottom, and front plates are folded one upon the other and form a flat package. (Illustrated in Fig. 8.)

In Fig. 10 I have shown a baking-panwhich' comprisesa bottom 41 and flanges 42, hinged to the bottom plate, one flange at each edge, the ends of the flanges being beveled, and the ends of the flanges are provided with knuckles 43, adapted to interlock, and when the pan-is set up the flanges are held together by passing pintles through the interlocking knuckles. When the stove is knocked down for transportation or storage, the baking-pans may be folded flat and packed with the stove.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. The combination of the oven, the body surrounding the oven, and the flues located in the annular space between the body and the oven, said flues being hinged to fold around the oven.

2. The combination of the body, the oven set therein, and the flue-plates each comprising a member connected to the bottom of the oven by a horizontal hinge, and another member pivoted to the first-named member about an axis extending transversely of the axis of the hinge, substantially as described.

3. The combination of the body, the .oven set therein, sockets upon the top of the oven, and flue-plates each comprisinga lower member hinged to the bottom of the oven, and an angular member pivoted to the lower member and arranged to engage said sockets, substantially as described.

4. The combination of the body, the oven set therein, sockets upon the top of the oven, a damper adjacent to said sockets, and flueplates arranged to be engaged by said damper and each comprising alower member hinged to the bottom of the oven, and an angular member pivoted to the lower member and ar ranged to engage said sockets, substantially as described.

5. In a knockdown stove,a folding oven provided with a folding flue extending along the bottom to the top and across the top, a

damper for the upper end of the flue, a bottom stop-plate at the end of the oven opposite that at which the flue is located, as specified.

6. In a knockdown stove, a folding oven,

a folding flue located at the'exterior of the oven, extending along the bottom to and across the top, a damper for the upper end of the said flue, and a grate havinghinged connection with the said oven, as and for the purpose specified.

7. The combination oven set therein, and the flue-plates each comprising a lower member-hinged to the bottom of the oven, and an upper member pivoted to said lower member,substantially as described.

8. A folding oven, consisting of a series of hinge connected plates, a grate having a hinged connection with one of the end plates of the oven, sockets formed upon the upper plate of the oven, a to the said sockets, flue-plates hinged to the bottom plate of the oven, and pivoted extensions of the fine-plates, capable of entering the said sockets and adapted for engagement by the said damper, for the purpose'set forth.

JOHN F. PJERROU.

Witnesses:

O.*W. ACKERMAN, A. A. PETERSON.

of the stove-body, the

damper located adjacent 

